{"product_id":"mcp-brake-systems-7-1-x-1-8-lightweight-brake-rotor-505-hub-pattern-sprint-oval-racing","title":"MCP Brake Systems 7.1\" x 1\/8\" Lightweight Brake Rotor - 505 Hub Pattern - Sprint \u0026 Oval Racing","description":"\u003cp\u003eWhen building a highly competitive \u003cstrong\u003eracing go kart\u003c\/strong\u003e, eliminating rotating mass while maintaining absolute braking reliability is critical for dominating the podium. The MCP 7.1\" x 1\/8\" Lightweight Brake Rotor is engineered specifically for racers who refuse to compromise on stopping power or durability. Designed exclusively for MCP 505 hubs and large caliper systems, this rotor cuts crucial unsprung weight from your rear axle, allowing your chassis to react instantly to steering inputs and track surface variations.\u003c\/p\u003e\n\n\u003ch2\u003eUnmatched Reliability for Your Racing Go Kart\u003c\/h2\u003e\n\u003cp\u003eBraking zones are where races are won and lost. Unlike generic \u003cstrong\u003etorque parts\u003c\/strong\u003e that warp, crack, or fade under severe thermal stress, this MCP rotor is manufactured to withstand the punishing heat cycles of competitive sprint and oval racing. By utilizing a specialized 1\/8-inch thin profile, it dramatically reduces rotational inertia. This means your engine spends less energy spinning the axle and more energy propelling you forward. Whether you are running a high-revving 2-cycle engine or relying on the low-end grunt of a \u003cstrong\u003ego kart torque converter\u003c\/strong\u003e setup, this lightweight disk ensures your braking integrates seamlessly into fluid, fast laps without sacrificing long-term durability.\u003c\/p\u003e\n\n\u003ch2\u003ePrecision Engineering and Big Caliper Synergy\u003c\/h2\u003e\n\u003cp\u003eAs one of the most vital \u003cstrong\u003eparts of us\u003c\/strong\u003e domestic karting infrastructure, MCP Brake Systems delivers unparalleled consistency. This 7.1-inch rotor is precision-cut to eliminate fitment errors and runout, ensuring the brake pads maintain perfect contact. When you pair this highly efficient braking setup with a perfectly tuned \u003cstrong\u003elo206 carburetor kit\u003c\/strong\u003e, you achieve the ultimate balance of corner-entry deceleration and corner-exit acceleration.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExclusive 505 Hub Fitment:\u003c\/strong\u003e Precision-machined exclusively for MCP 505 hubs to guarantee perfect alignment and zero runout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/8-Inch Lightweight Profile:\u003c\/strong\u003e Reduces rotating mass for snappier direction changes and faster acceleration out of heavy braking zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.1-Inch Outer Diameter:\u003c\/strong\u003e Provides the ideal leverage ratio for big caliper setups without adding unnecessary bulk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Distortion Resistance:\u003c\/strong\u003e Engineered to withstand extreme heat cycles, ensuring your brakes won't fade during long endurance runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Suspension Compliance:\u003c\/strong\u003e Lighter unsprung weight allows your chassis and tires to track the racing surface with superior grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig Caliper Synergy:\u003c\/strong\u003e Amplifies stopping force and pad bite, delivering consistent pedal feel lap after lap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmerican Manufacturing Quality:\u003c\/strong\u003e Built to the rigorous durability standards expected from top-tier karting manufacturers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this rotor compatible with all karting hubs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. This specific rotor is precision-machined exclusively for MCP 505 hubs. Please verify your hub pattern before purchasing to ensure proper alignment and zero runout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a 1\/8-inch rotor over a thicker 3\/16-inch version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 1\/8-inch profile is designed to reduce rotational inertia and unsprung weight. This allows your engine to accelerate faster out of corners and helps your chassis react more quickly to track surface variations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this rotor require special brake pads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This rotor is designed for use with standard MCP big caliper systems. Ensure your pads are in good condition and properly shimmed to maintain perfect contact with the 1\/8-inch surface.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure the rotor is installed correctly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Proper installation is critical for safety. Ensure the rotor is mounted securely to your 505 hub using high-quality hardware. We recommend checking for any lateral runout after installation to ensure the brake pads maintain even contact throughout the entire rotation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I inspect my brake rotor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should inspect your rotor before every race day for signs of warping, deep scoring, or thinning. Because this is a lightweight performance part, maintaining a clean, debris-free braking surface is essential for consistent pedal feel.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mcp126-1-bolt-nut-assembly-3-required-sold-each-mcp126-1\"\u003eMCP Brake Systems MCP613 Rotor Bolt \u0026amp; Nut Assembly - Socket Head Cap Screw - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mcp-caliper-shim-1-16-mcpcs\"\u003eMCP Standard Caliper Shim - 1\/16\" Thick Aluminum - All Racing Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mcp-pad-retention-spring-sold-each-mcp557\"\u003eMCP Standard Brake Pad Retention Spring - OEM 557.1 - All Classes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3-16-steel-braided-brake-line-36-mcpbsl36\"\u003eMCP Brake Systems 3\/16\" Steel Braided Brake Line - 36\" Length - Sprint \u0026amp; Oval Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SwiftKarting","offers":[{"title":"Default Title","offer_id":52381177151807,"sku":"MCP706","price":57.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/6843\/4239\/files\/standardrotors-7-1-x-1-8-lite-weight-disk-for-505-hub-only-mcp706.jpg?v=1773223993","url":"https:\/\/metro-merch-3.myshopify.com\/products\/mcp-brake-systems-7-1-x-1-8-lightweight-brake-rotor-505-hub-pattern-sprint-oval-racing","provider":"Metro Merch","version":"1.0","type":"link"}